14x19 - Heartbeat

Clare finds herself under suspicion when a wild party ends in tragedy with a drugs-related death, and Miller is annoyed to have to reprimand Walker once again when he discovers his participation in the drunken revelling. David is put in a tricky situation when his Aunt Peggy arrives in Aidensfield and sets up an illegal vodka still, while Ventress is quick to reveal the newcomer's dubious history to Oscar and Gina.